HPC 

High Performance Crashing: The higher performance your program is, the shorter it takes to crash.

My software used to be slow, but it's HPC now: crashes right after you start it!

HPC by mkaysir January 25, 2015

HPC 

High Performance Computing- Using multiple teraflop speed computers ,bound together by a MPI or PVM programming, to achieve a goal faster than one computer can itself.

IBM BlueGene/L is an example of massive scale HPC.

HPC by Xaiver July 18, 2006

HPC 

It is a crew formed by the people that hate Priscilla. HPC stands for Hate Priscilla Crew. Over 500 people have already joined HPC and they all hate Priscilla.

HPC 4 Life

Do you want to join my new crew HPC.

HPC by Robert February 27, 2004

Hottie Per Capita (HPC) 

Given the available population, how many are hotties. Also known as the Hottie quotient.

"Wow, check that out. Even the mailwoman is hot."

"Yeah, the Hottie Per Capita (HPC) is high in college towns."

Hottie Per Capita (HPC) by AdonisTheKingofAllHeSurveys July 4, 2009

HPCD 

A Harry Potter fanfiction pairing.
Harry Potter / Cedric Diggory.

Though the order of the initials would normally mean "A slashfiction where Harry Potter is the top and Cedric Diggory is the bottom", it is not neccessarliy true.

After reading 'Out of the Sky' on fanfiction.net, HPCD has become my OTP.

HPCD by Jessy Shaneey August 15, 2007

HPC4L 

Acronym for "Halo PC For Life". Coined and used by remaining HaloPC and Custom Edition die-hards.

I will play HPC4L.

HPC4L by -snafu- / SiNTaXaTioN November 16, 2011

HPCS 

HPCS aka Hairy Plumber's Crack Syndrome.
PCS,Plumber's Crack Syndrome,Hairy,Coin Slot,Ass
Plumber's Crack full of ass hair

Dude look away that teacher has HPCS.

Holy shit HPCS ahead turn and run.

HPCS by Koga July 28, 2006